7285722865 has 32 divisors (see below), whose sum is σ = 9016551936. Its totient is φ = 5649745920.

The previous prime is 7285722859. The next prime is 7285722943. The reversal of 7285722865 is 5682275827.

7285722865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7285722865 - 2⁵ = 7285722833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5956644 + ... + 5957866.

It is an arithmetic number, because the mean of its divisors is an integer number (281767248).

Almost surely, 2^7285722865 is an apocalyptic number.

It is an amenable number.

7285722865 is a deficient number, since it is larger than the sum of its proper divisors (1730829071).

7285722865 is a wasteful number, since it uses less digits than its factorization.

7285722865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569.

The product of its digits is 3763200, while the sum is 52.

The square root of 7285722865 is about 85356.4459487390. The cubic root of 7285722865 is about 1938.6119366355.

The spelling of 7285722865 in words is "seven billion, two hundred eighty-five million, seven hundred twenty-two thousand, eight hundred sixty-five".